女性，50岁，车祸后4小时，全身多处骨折，查体：血压80/60mmHg，

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问题单项选择题

女性，50岁，车祸后4小时，全身多处骨折，查体：血压80/60mmHg，脉搏125次/分，呼吸30次/分，经补液输血后，患者血压、中心静脉压均不升高。

可能的原因是

A．补液过多

B．补液不足

C．急性肾衰竭

D．心力衰竭

E．升压药无效

答案

参考答案：B

选择题

Only after being attacked by the Japanese in Pearl Harbor ___in the Second World War thoroughly.

A．had America involved

B．was America involved

C．America had involved

D．America was involved

选择题

the man asked, “Do you have _________ to say”?

A. anything important

B. important something

C. something important